client/src/app/+video-channels/video-channel-playlists/video-channel-playlists.component.ts

   1 import { Component, OnDestroy, OnInit } from '@angular/core'
   2 import { ConfirmService } from '../../core/confirm'
   3 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
   4 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
   5 import { Subject, Subscription } from 'rxjs'
   6 import { Notifier } from '@app/core'
   7 import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
   8 import { ComponentPagination, hasMoreItems } from '@app/shared/rest/component-pagination.model'
   9 import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
  10
  11 @Component({
  12   selector: 'my-video-channel-playlists',
  13   templateUrl: './video-channel-playlists.component.html',
  14   styleUrls: [ './video-channel-playlists.component.scss' ]
  15 })
  16 export class VideoChannelPlaylistsComponent implements OnInit, OnDestroy {
  17   videoPlaylists: VideoPlaylist[] = []
  18
  19   pagination: ComponentPagination = {
  20     currentPage: 1,
  21     itemsPerPage: 20,
  22     totalItems: null
  23   }
  24
  25   onDataSubject = new Subject<any[]>()
  26
  27   private videoChannelSub: Subscription
  28   private videoChannel: VideoChannel
  29
  30   constructor (
  31     private notifier: Notifier,
  32     private confirmService: ConfirmService,
  33     private videoPlaylistService: VideoPlaylistService,
  34     private videoChannelService: VideoChannelService
  35   ) {}
  36
  37   ngOnInit () {
  38     // Parent get the video channel for us
  39     this.videoChannelSub = this.videoChannelService.videoChannelLoaded
  40                                .subscribe(videoChannel => {
  41                                  this.videoChannel = videoChannel
  42                                  this.loadVideoPlaylists()
  43                                })
  44   }
  45
  46   ngOnDestroy () {
  47     if (this.videoChannelSub) this.videoChannelSub.unsubscribe()
  48   }
  49
  50   onNearOfBottom () {
  51     if (!hasMoreItems(this.pagination)) return
  52
  53     this.pagination.currentPage += 1
  54     this.loadVideoPlaylists()
  55   }
  56
  57   private loadVideoPlaylists () {
  58     this.videoPlaylistService.listChannelPlaylists(this.videoChannel, this.pagination)
  59         .subscribe(res => {
  60           this.videoPlaylists = this.videoPlaylists.concat(res.data)
  61           this.pagination.totalItems = res.total
  62
  63           this.onDataSubject.next(res.data)
  64         })
  65   }
  66 }